slang for Magnavox, a company affiliated with Phillips that manufactures electronics at an affordable price.
Guy 1: I just bought a magnavox tv, at best buy.
Guy 2: You bought a maggotbox? Get that shit out of here.
The proper term for Macintosh because it's a slow piece of shit computer not compatible with any software that's been programmed on earth. See Macintosh
People who use maggotboxes are generally retarded dickheads.